4 (18) 4 (18) Maximum Force ** power stroke 15 psi
(103 kpa) supply single press. system **** lb (n)
16 (71) 16 (71) 20 psi
(138 kpa) supply single or Dual press. system **** lb (n)
56 (249) 56 (249)
nominal torque *** proportional control **
15 psi (103 kpa)
supply Dual press. system lb-in. (n-m)
7 (0.79) 7 (0.79) 15 psi
(103 kpa) supply single press. system **** lb-in. (n-m)
28 (3.16) 28 (3.16) 20 psi
(138 kpa) supply single or Dual press. system **** lb-in. (n-m)
91 (10.28) 91 (10.28)
Specifications
construction Housing
Diaphragm
Nominal Damper Area Start point Spring
Maximum air pressure
ambient temperature limits Shipping Operating
Air connections Mounting
Dimensions
MK-3100, MK4-3100 Series MK-3800 Series
12 L x 5-7/8 W x 5-1/2 D in. (305 x 149 x 140 mm). 20-3/16 L x 7-1/4 W x 6-1/2 D in. (513 x 184 x 165 mm).
Die cast aluminum. Beaded molded neoprene.
Actuator sizing should be done in accordance with damper manufacturer’s specifications Adjustable on most models ±1 psi, refer to Model Chart. Retracts actuator shaft on loss of air pressure. 30 psig (207 kPa).
-40 to 160°F (-40 to 71°C). -20 to 160°F (-29 to 71°C). 1/8 in. FNPT
In any position. Mounting bracket (except MK-3300 Series end mounting) and connector for 5/16 in. (8 mm) diameter push rod included with actuator.